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20
RESULTS

Media Type
20
texts
Availability
20
Always Available
Topics & Subjects
20
coal mines and mining
20
mineral industries
19
Pennsylvania. Department of Mines and Mineral Industries
14
anthracite coal
4
bituminous coal
1
Pennsylvania. Department of Mines and mineral industries
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Collection
20
American Libraries
20
The University of Scranton Weinberg Memorial Library
Creator
20
pennsylvania. department of mines and mineral industries
Language
20
English
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